Science & Technology GK — Practice Quiz (Set 4)By sushil / October 6, 2026 Science & Technology GK — Practice Quiz (Set 4) 10 questions · 15 minute time limit Start Quiz You can take this quiz as a guest. Log in first if you want it saved to your progress history. Which cell organelle is commonly referred to as the u201cpowerhouse of the cellu201d? Nucleus Mitochondria Ribosome Golgi apparatus Which of Newtonu2019s laws of motion states that for every action, there is an equal and opposite reaction? First law Second law Third law Law of gravitation What is the chemical symbol for the element sodium? So Sd Na S DNA, the molecule carrying genetic information, stands for what? Deoxyribonucleic acid Dioxyribose nuclear acid Diribonucleic acid Deoxyribose nitrogen acid Which scientist is credited with formulating the law of universal gravitation? Galileo Galilei Isaac Newton Albert Einstein Johannes Kepler Which type of blood cells primarily help the body fight infections? Red blood cells White blood cells Platelets Plasma cells only What is the SI unit of electric current? Volt Ampere Ohm Watt Which part of a plant is primarily responsible for carrying out photosynthesis? Roots Stem Leaves Flowers What does u201cwww,u201d commonly seen at the start of website addresses, stand for? World Wide Web World Wireless Web Wide World Web Web World Wide What is the pH value of pure water, indicating that it is neutral? 0 7 14 5 Submit Quiz
